US Bridges

T 229 over Cottonwood River

Good

Lyon County, Minnesota · 1.2 MI S of JCT Csah 20 · Structure no. 42J08

Built
2001
24 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
20
2000 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 229 over Cottonwood River is a concrete culvert carrying T 229 over Cottonwood River in Lyon County, Minnesota. It was built in 2001, so it is 24 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, projected to reach 20 by 2029. The structure is 26 ft (7.9 m) long.

CarriesT 229
CrossesCottonwood River
Location1.2 MI S of JCT Csah 20
RouteCounty Highway 229
Coordinates44.33768, -95.63419
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2000)
Projected traffic20 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 229 over Cottonwood River built?

It was built in 2001, making it 24 years old in 2025.

What condition is T 229 over Cottonwood River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2021.

How much traffic does T 229 over Cottonwood River carry?

About 20 vehicles per day (2000 count).

How long is T 229 over Cottonwood River?

The structure is 26 ft (7.9 m) long with a longest span of 14 ft (4.3 m).

Who owns T 229 over Cottonwood River?

It is owned by the Town or Township Highway Agency.